Search Results - "Duarte, Rafael M."

On the Adaptive Modulation for User-Centric Cell-Free Massive MIMO Systems by Almeida, Danilo B. T., Alencar, Marcelo S., Duarte, Rafael M., Silva, Hugerles S., Madeiro, Francisco, Lopes, Waslon T. A., Queiroz, Wamberto J. L.

“…The cell-free (CF) systems are a key technology for future wireless networks, which exploit the scenario spatial macro-diversity to offer high channel capacity…”
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Evaluation of Cell-Free Millimeter-Wave Massive MIMO Systems Based on Site-Specific Ray Tracing Simulations by Higo Thaian da Silva, P., Duarte, Rafael M., Silva, Hugerles S., Alencar, Marcelo S., De Queiroz, Wamberto J. L.

“…Ultra densification of the number of antennas combined with the use of large bandwidths in the millimeter wave (mmWave) spectrum is considered one of the main…”
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Boron Oxide Nanoparticles Exhibit Minor, Species-Specific Acute Toxicity to North-Temperate and Amazonian Freshwater Fishes by MacCormack, Tyson J., Gormley, Patrick T., Khuong, B. Ninh, Adams, Olivia A., Braz-Mota, Susana, Duarte, Rafael M., Vogels, Christopher M., Tremblay, Luc, Val, Adalberto L., Almeida-Val, Vera M. F., Westcott, Stephen A.

“…Boron oxide nanoparticles (nB 2 O 3 ) are manufactured for structural, propellant, and clinical applications and also form spontaneously through the…”
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Mechanisms of toxic action of copper and copper nanoparticles in two Amazon fish species: Dwarf cichlid (Apistogramma agassizii) and cardinal tetra (Paracheirodon axelrodi) by Braz-Mota, Susana, Campos, Derek F., MacCormack, Tyson J., Duarte, Rafael M., Val, Adalberto L., Almeida-Val, Vera M.F.

“…Copper oxide nanoparticles (nCuO) are widely used in boat antifouling paints and are released into the environment, potentially inducing toxicity to aquatic…”
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Roundup® exposure promotes gills and liver impairments, DNA damage and inhibition of brain cholinergic activity in the Amazon teleost fish Colossoma macropomum by Braz-Mota, Susana, Sadauskas-Henrique, Helen, Duarte, Rafael M., Val, Adalberto L., Almeida-Val, Vera M.F.

“…•RD caused histopathology, increased hematological indexes and reduction of GST.•RD increased hepatic levels of EROD and antioxidant defenses (GPx).•RD caused…”
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The biotic ligand model as a promising tool to predict Cu toxicity in amazon blackwaters by Duarte, Rafael M, Crémazy, Anne, Wood, Chris M, Almeida-Val, Vera M F, Val, Adalberto L

“…The Rio Negro basin of Amazonia (Brazil) is a hotspot of fish biodiversity that is under threat from copper (Cu) pollution. The very ion-poor blackwaters have…”
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Investigating the mechanisms of dissolved organic matter protection against copper toxicity in fish of Amazon's black waters by Crémazy, Anne, Braz-Mota, Susana, Brix, Kevin V., Duarte, Rafael M., Val, Adalberto L., Wood, Chris M.

“…We investigated how natural dissolved organic matter (DOM) of the Rio Negro (Amazon) affects acute copper (Cu) toxicity to local fish: the cardinal tetra…”
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Dissolved organic carbon from the upper Rio Negro protects zebrafish (Danio rerio) against ionoregulatory disturbances caused by low pH exposure by Duarte, Rafael M., Smith, D. Scott, Val, Adalberto L., Wood, Chris M.

“…The so-called “blackwaters” of the Amazonian Rio Negro are rich in highly coloured dissolved organic carbon (DOC), but ion-poor and very acidic, conditions…”
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Numerical investigation of heat transfer enhancement by using louvered-winglet vortex generators mounted in a solar air heater channel-type by Duarte, Rafael M. D., Salviano, Leandro O., Ferreira, Wallace G., Dezan, Daniel J.

“…The solar air heater (SAH) equipped with special modified surface geometries is one of the existing technologies capable of converting the solar energy into…”
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The effects of dissolved organic carbon on the reflex ventilatory responses of the neotropical teleost (Colossoma macropomum) to hypoxia or hypercapnia by Perry, Steve F., Gilmour, Kathleen M., Duarte, Rafael M., Wood, Chris M., Almeida-Val, Vera M.F., Val, Adalberto L.

“…The tambaqui (Colossoma macropomum), migrates annually between whitewater and blackwater rivers of the Amazon. Unlike the whitewater, blackwater is…”
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Physiological protective action of dissolved organic carbon on ion regulation and nitrogenous waste excretion of zebrafish (Danio rerio) exposed to low pH in ion-poor water by Duarte, Rafael M., Wood, Chris M., Val, Adalberto L., Smith, D. Scott

“…Dissolved organic carbon (DOC) represents a heterogeneous group of naturally-occurring molecules in aquatic environments, and recent studies have evidenced…”
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Effect of low pH exposure on Na+ regulation in two cichlid fish species of the Amazon by Duarte, Rafael M., Ferreira, Marcio S., Wood, Chris M., Val, Adalberto L.

“…We evaluated the effects of acute exposure to low pH on Na+ regulation in two Amazon cichlids collected from natural ion-poor “blackwaters”, angelfish…”
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Nitrogen metabolism in tambaqui (Colossoma macropomum), a neotropical model teleost: hypoxia, temperature, exercise, feeding, fasting, and high environmental ammonia by Wood, Chris M., de Souza Netto, José Gadelha, Wilson, Jonathan M., Duarte, Rafael M., Val, Adalberto Luis

“…The total rate of N-waste excretion ( M N ) in juvenile tambaqui living in ion-poor Amazonian water comprised 85 % ammonia-N ( M Amm-N ) and 15 % urea-N ( M…”
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Physiological impacts and bioaccumulation of dietary Cu and Cd in a model teleost: The Amazonian tambaqui (Colossoma macropomum) by Giacomin, Marina, Vilarinho, Gisele C., Castro, Katia F., Ferreira, Márcio, Duarte, Rafael M., Wood, Chris M., Val, Adalberto L.

“…•Dietary Cu (500 μg Cu/g food) had minimal physiological and metabolic impacts.•Dietary Cd (500 μg Cd/g food) increased hypoxia tolerance.•Neither metal…”
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Does dissolved organic carbon from Amazon black water (Brazil) help a native species, the tambaqui Colossoma macropomum to maintain ionic homeostasis in acidic water? by Sadauskas‐Henrique, Helen, Wood, Chris M., Souza‐Bastos, Luciana R., Duarte, Rafael M., Smith, Donald S., Val, Adalberto L.

“…To assess how the quality and properties of the natural dissolved organic carbon (DOC) could drive different effects on gill physiology, we analysed the…”
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High waterborne Mg does not attenuate the toxic effects of Fe, Mn, and Ba on Na+ regulation of Amazonian armored catfish tamoatá (Hoplosternum litoralle) by Duarte, Rafael M., Benaduce, Ana Paula, Garcia, Luciano, Gomes, Levy C., Gomes, Adriana Chippari, Val, Adalberto L., Baldisserotto, Bernardo

“…Formation water (FoW) is a by-product from oil and gas production and usually has high concentrations of soluble salts and metals. Calcium (Ca) and magnesium…”
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Sodium Fluxes in Tamoatá, Hoplosternum litoralle, Exposed to Formation Water from Urucu Reserve (Amazon, Brazil) by Baldisserotto, Bernardo, Garcia, Luciano O., Benaduce, Ana Paula, Duarte, Rafael M., Nascimento, Thiago L., Gomes, Levy C., Chippari Gomes, Adriana R., Val, Adalberto L.

“…Formation water (produce water or oil field brine) from oil and gas production usually has high concentrations of soluble salts and metals. The objective of…”
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Roundup registered exposure promotes gills and liver impairments, DNA damage and inhibition of brain cholinergic activity in the Amazon teleost fish Colossoma macropomum by Braz-Mota, Susana, Sadauskas-Henrique, Helen, Duarte, Rafael M, Val, Adalberto L, Almeida-Val, Vera MF

“…Roundup Original registered (RD) is a glyphosate-based herbicide used to control weeds in agriculture. Contamination of Amazon waters has increased as a…”
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Effectiveness of current disinfection procedures against biofilm on contaminated GI endoscopes by Neves, Marcelo S., MD, PhD, Gomes da Silva, Marlei, BSc, Ventura, Grasiella M., PhD, Côrtes, Patrícia Barbur, BSc, Duarte, Rafael Silva, MD, PhD, de Souza, Heitor S., MD, PhD

“…Background and Aims Attention to patient safety has increased recently due to outbreaks of nosocomial infections associated with GI endoscopy. The aim of this…”
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Response by Neves, Marcelo S., MD, PhD, da Silva, Marlei Gomes, BSc, Côrtes, Patrícia Barbur, BSc, Duarte, Rafael Silva, MD, PhD, Ventura, Grasiella M., PhD, de Souza, Heitor S., MD, PhD

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